


for i in [1 ,2 ,3 ,4 ,5]:
    print("i=%d"%i)

print("\n\n")
for i in range(1,10):
    print("n=%d"%i)

print("\n\n")
list = ["a", "b", "c"]
for x in list:
    print("x=%s"%x)


num = 10
while num >0:
    print("n=%d"%num)
    num -= 1